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The Polyatomic Ion Known as the Diphosphate Ion Is an Important

Question 41

Multiple Choice

The polyatomic ion known as the diphosphate ion is an important intermediate formed in metabolic processes.If the ionic compound calcium diphosphate has the formula Ca2P2O7, which of the following correctly represents the symbol for the diphosphate ion?


A) P2O74−
B) P2O714−
C) PO4+
D) P2O72−
E) PO2−

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